Company lists · Data refreshed October 2026
Top 25 Downstream engineering companies based in the United States
RevenueBase identified 732 company matches for downstream engineering companies associated with the United States as of October 2026 and tracks 26,851 professional contacts across them, including 7,009 with verified work emails. Houston is the largest hub.
This list covers company matches for downstream engineering companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 11, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest downstream engineering companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,652 contacts → | ||||
Exact match “Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 2 | 1,171 contacts → | ||||
Exact match “At Gulf Companies, we are driven by our mission to serve a vital role in the global energy industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 3 | 736 contacts → | ||||
Exact match “EDG Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 4 | 734 contacts → | ||||
Exact match “Vepica is a multinational engineering company with more than 53 years experience in the energy, industrial, infrastructure and petrochemical sectors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 5 | 551 contacts → | ||||
Exact match “Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 6 | 518 contacts → | ||||
Exact match “Matrix Service is a subsidiary of Matrix Service Company (NASDAQ: MTRX).” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 7 | 447 contacts → | ||||
Exact match “Founded in 1971, Anvil Corporation is a 100% employee-owned engineering firm providing multi-discipline engineering, design, project management, procurement, and construction…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 8 | 412 contacts → | ||||
Exact match “ReCon was established in 1995 and has matured as a high quality and competitive engineering consulting firm providing engineering design and project management services to the…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 9 | 325 contacts → | ||||
Exact match “Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 10 | 322 contacts → | ||||
Exact match “The GIS Industrial Engineering & Construction team offers clients a single point of contact to utilize our 19 strategically located facilities, employees, and 21 service lines.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 11 | 315 contacts → | ||||
Exact match “Kestrel provides engineering, project and construction management and inspection services to the oil and gas industries.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 12 | 307 contacts → | ||||
Exact match “We are A-Team of engineers specializing in the energy industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 13 | 307 contacts → | ||||
Exact match “Performance Energy Services, a Danos company, was formed in to deliver safe, client-focused support to the onshore and offshore energy markets.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 14 | 301 contacts → | ||||
Exact match “B&E Resources is an oil field service company specializing in industrial construction and custom fabrication.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 15 | 282 contacts → | ||||
Exact match “FATEH GROUP is committed to provide its customers with high-quality services and products.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 16 | 275 contacts → | ||||
Exact match “For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 17 | 260 contacts → | ||||
Exact match “CTS - Complete Technical Services, Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 18 | 249 contacts → | ||||
Exact match “Chemtex is a global engineering and technology company.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 19 | 247 contacts → | ||||
Exact match “BSI Engineering is a full-service engineering consulting firm dedicated to delivering innovative, efficient, and effective solutions across various industries.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 20 | 183 contacts → | ||||
Exact match “Engineering & Inspection Services (EIS) is a multidisciplinary engineering firm offering Engineering & Design, Field Services, Inspection & Mechanical Integrity, and Technology…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 21 | 182 contacts → | ||||
Exact match “STEVENS is a proven leader in engineering and construction, strategically serving clients throughout the world with exceptional workforce commitment and management experience.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 22 | 181 contacts → | ||||
Exact match “For 80 years, Oscar W.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 23 | 179 contacts → | ||||
Exact match “Sigma Engineers and Constructors (SEC) is a professional engineering firm that provides specifically tailored services to meet the needs of North America's oil, gas, and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 24 | 155 contacts → | ||||
Exact match “GRSA is a full service professional engineering company providing process and detailed engineering services for a broad range of upstream, midstream, and downstream petrochemical…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 25 | 149 contacts → | ||||
Exact match “Based in Houston, Taurus Industrial Group (Taurus) is a leading, integrated and industry diversified technical services company offering end-to-end services across multiple…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “downstream engineering companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 732 downstream engineering companies based in the United States
See the full list, filter by size, metro and specialty, and access 7,009 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Downstream engineering companies based in the United States at a glance
As of Oct 11, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 732 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “downstream engineering companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 7,009 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 11, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Downstream engineering companies by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “downstream engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many downstream engineering companies are there based in the United States?
RevenueBase identified 732 company matches for downstream engineering companies associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Audubon Companies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most downstream engineering companies?
Houston leads with 174 company records, followed by Katy (18) and Tulsa (15).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,009 professional contacts with verified work emails tracked across these 732 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 11, 2026.
Ready to reach these companies? Verified emails and direct dials for all 732 downstream engineering companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Downstream engineering companies by geography
- Downstream engineering companies based in Perth, Australia
- Downstream engineering companies based in Rio De Janeiro, Brazil
- Downstream engineering companies based in Calgary, Canada
- Downstream engineering companies based in Chennai, India
- Downstream engineering companies based in Mumbai, India
- Downstream engineering companies based in Pune, India
- Downstream engineering companies based in Vadodara, India
- Downstream engineering companies based in Tehran, Iran
- Downstream engineering companies based in Milan, Italy
- Downstream engineering companies based in Kuala Lumpur, Malaysia
- Downstream engineering companies based in Lagos, Nigeria
- Downstream engineering companies based in Port Harcourt, Nigeria
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Downstream engineering companies based in Perth, Australia
- Downstream engineering companies based in Rio De Janeiro, Brazil
- Downstream engineering companies based in Calgary, Canada
- Downstream engineering companies based in Chennai, India
- Downstream engineering companies based in Mumbai, India
- Downstream engineering companies based in Pune, India
Company intelligence · public preview
Top 25 downstream engineering companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 732 matching company records for downstream engineering companies based in the United States, with 26,851 tracked contacts and 7,009 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 downstream engineering companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Audubon Companiesauduboncompanies.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,652 contacts → |
“Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Gulf Companiesgulfcompanies.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,171 contacts → |
“At Gulf Companies, we are driven by our mission to serve a vital role in the global energy industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  EDGedg.netHQ: Metairie, LA, United StatesReported employees: 501-1,000 | Metairie, LA, United States | 501-1,000 | Exact match | 736 contacts → |
“EDG Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Vepicavepica.comHQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 734 contacts → |
“Vepica is a multinational engineering company with more than 53 years experience in the energy, industrial, infrastructure and petrochemical sectors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ingeneroingenero.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 551 contacts → |
“Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Matrix Servicematrixservice.comHQ: Tulsa, OK, United StatesReported employees: 1,001-5,000 | Tulsa, OK, United States | 1,001-5,000 | Exact match | 518 contacts → |
“Matrix Service is a subsidiary of Matrix Service Company (NASDAQ: MTRX).” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Anvil Corporationanvilcorp.comHQ: Bellingham, WA, United StatesReported employees: 201-500 | Bellingham, WA, United States | 201-500 | Exact match | 447 contacts → |
“Founded in 1971, Anvil Corporation is a 100% employee-owned engineering firm providing multi-discipline engineering, design, project management, procurement, and construction…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Recon Management Services, INCrecon-group.comHQ: Sulphur, LA, United StatesReported employees: 501-1,000 | Sulphur, LA, United States | 501-1,000 | Exact match | 412 contacts → |
“ReCon was established in 1995 and has matured as a high quality and competitive engineering consulting firm providing engineering design and project management services to the…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  C&i Engineeringcieng.comHQ: Louisville, KY, United StatesReported employees: 201-500 | Louisville, KY, United States | 201-500 | Exact match | 325 contacts → |
“Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  GIS Engineering, LLCgisyeng.comHQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 322 contacts → |
“The GIS Industrial Engineering & Construction team offers clients a single point of contact to utilize our 19 strategically located facilities, employees, and 21 service lines.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Kestrel Engineering, INCkestreleng.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 315 contacts → |
“Kestrel provides engineering, project and construction management and inspection services to the oil and gas industries.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  ARIONarionblue.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 307 contacts → |
“We are A-Team of engineers specializing in the energy industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Performance Energy Services, LLCpesllc.comHQ: Houma, LA, United StatesReported employees: 501-1,000 | Houma, LA, United States | 501-1,000 | Exact match | 307 contacts → |
“Performance Energy Services, a Danos company, was formed in to deliver safe, client-focused support to the onshore and offshore energy markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  B&e Resources, LLCberltd.comHQ: Beaumont, TX, United StatesReported employees: 501-1,000 | Beaumont, TX, United States | 501-1,000 | Exact match | 301 contacts → |
“B&E Resources is an oil field service company specializing in industrial construction and custom fabrication.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Fateh Groupfatehgroup.comHQ: Cherryfield, ME, United StatesReported employees: 1,001-5,000 | Cherryfield, ME, United States | 1,001-5,000 | Exact match | 282 contacts → |
“FATEH GROUP is committed to provide its customers with high-quality services and products.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  M&hmhes.comHQ: Spring, TX, United StatesReported employees: 201-500 | Spring, TX, United States | 201-500 | Exact match | 275 contacts → |
“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  CTS Complete Technical Servicesctstechnical.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 260 contacts → |
“CTS - Complete Technical Services, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Chemtexchemtexus.comHQ: Wilmington, NC, United StatesReported employees: 201-500 | Wilmington, NC, United States | 201-500 | Exact match | 249 contacts → |
“Chemtex is a global engineering and technology company.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  BSI Engineeringbsiengr.comHQ: Mason, OH, United StatesReported employees: 201-500 | Mason, OH, United States | 201-500 | Exact match | 247 contacts → |
“BSI Engineering is a full-service engineering consulting firm dedicated to delivering innovative, efficient, and effective solutions across various industries.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Engineering & Inspection Services, LLCeisllc.netHQ: Metairie, LA, United StatesReported employees: 201-500 | Metairie, LA, United States | 201-500 | Exact match | 183 contacts → |
“Engineering & Inspection Services (EIS) is a multidisciplinary engineering firm offering Engineering & Design, Field Services, Inspection & Mechanical Integrity, and Technology…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Stevens Engineers & Constructorsstevensec.comHQ: Middleburg Heights, OH, United StatesReported employees: 201-500 | Middleburg Heights, OH, United States | 201-500 | Exact match | 182 contacts → |
“STEVENS is a proven leader in engineering and construction, strategically serving clients throughout the world with exceptional workforce commitment and management experience.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Oscar W. Larson Companyowlservices.comHQ: Clarkston, MI, United StatesReported employees: 1,001-5,000 | Clarkston, MI, United States | 1,001-5,000 | Exact match | 181 contacts → |
“For 80 years, Oscar W.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sigma Engineers And Constructorssigmaec.comHQ: Baton Rouge, United StatesReported employees: 51-200 | Baton Rouge, United States | 51-200 | Exact match | 179 contacts → |
“Sigma Engineers and Constructors (SEC) is a professional engineering firm that provides specifically tailored services to meet the needs of North America's oil, gas, and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  GRSAgrsaeng.comHQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 155 contacts → |
“GRSA is a full service professional engineering company providing process and detailed engineering services for a broad range of upstream, midstream, and downstream petrochemical…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Taurus Industrial Group, LLCtaurusig.com HQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 149 contacts → |
“Based in Houston, Taurus Industrial Group (Taurus) is a leading, integrated and industry diversified technical services company offering end-to-end services across multiple…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 732 company matches
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Downstream engineering companies: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
732 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 732 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Downstream engineering companies by metro
Questions about this company list
What does Exact match mean for downstream engineering companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many downstream engineering companies did RevenueBase find based in the United States?
The saved snapshot records 732 matching company records, 26,851 tracked contacts and 7,009 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Downstream engineering companies by geography
- Downstream engineering companies based in Perth, Australia
- Downstream engineering companies based in Rio De Janeiro, Brazil
- Downstream engineering companies based in Calgary, Canada
- Downstream engineering companies based in Chennai, India
- Downstream engineering companies based in Mumbai, India
- Downstream engineering companies based in Pune, India
- Downstream engineering companies based in Vadodara, India
- Downstream engineering companies based in Tehran, Iran
- Downstream engineering companies based in Milan, Italy
- Downstream engineering companies based in Kuala Lumpur, Malaysia
- Downstream engineering companies based in Lagos, Nigeria
- Downstream engineering companies based in Port Harcourt, Nigeria
Cite this list
RevenueBase Data Team. Top 25 downstream engineering companies based in the United States. Snapshot: October 11, 2026. https://revenuebase.ai/companies/downstream-engineering-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Downstream engineering companies based in Perth, Australia
- Downstream engineering companies based in Rio De Janeiro, Brazil
- Downstream engineering companies based in Calgary, Canada
- Downstream engineering companies based in Chennai, India
- Downstream engineering companies based in Mumbai, India
- Downstream engineering companies based in Pune, India
Company intelligence · public preview
Top 25 downstream engineering companies based in the United States
RevenueBase records 732 matching company records for downstream engineering companies based in the United States, with 26,851 tracked contacts and 7,009 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 downstream engineering companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Audubon Companiesauduboncompanies.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,652 contacts → |
“Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Gulf Companiesgulfcompanies.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,171 contacts → |
“At Gulf Companies, we are driven by our mission to serve a vital role in the global energy industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | EDGedg.net HQ: Metairie, LA, United StatesReported employees: 501-1,000 | Metairie, LA, United States | 501-1,000 | Exact match | 736 contacts → |
“EDG Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Vepicavepica.com HQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 734 contacts → |
“Vepica is a multinational engineering company with more than 53 years experience in the energy, industrial, infrastructure and petrochemical sectors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ingeneroingenero.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 551 contacts → |
“Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Matrix Servicematrixservice.com HQ: Tulsa, OK, United StatesReported employees: 1,001-5,000 | Tulsa, OK, United States | 1,001-5,000 | Exact match | 518 contacts → |
“Matrix Service is a subsidiary of Matrix Service Company (NASDAQ: MTRX).” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Anvil Corporationanvilcorp.com HQ: Bellingham, WA, United StatesReported employees: 201-500 | Bellingham, WA, United States | 201-500 | Exact match | 447 contacts → |
“Founded in 1971, Anvil Corporation is a 100% employee-owned engineering firm providing multi-discipline engineering, design, project management, procurement, and construction…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Recon Management Services, INCrecon-group.com HQ: Sulphur, LA, United StatesReported employees: 501-1,000 | Sulphur, LA, United States | 501-1,000 | Exact match | 412 contacts → |
“ReCon was established in 1995 and has matured as a high quality and competitive engineering consulting firm providing engineering design and project management services to the…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | C&i Engineeringcieng.com HQ: Louisville, KY, United StatesReported employees: 201-500 | Louisville, KY, United States | 201-500 | Exact match | 325 contacts → |
“Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | GIS Engineering, LLCgisyeng.com HQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 322 contacts → |
“The GIS Industrial Engineering & Construction team offers clients a single point of contact to utilize our 19 strategically located facilities, employees, and 21 service lines.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Kestrel Engineering, INCkestreleng.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 315 contacts → |
“Kestrel provides engineering, project and construction management and inspection services to the oil and gas industries.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ARIONarionblue.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 307 contacts → |
“We are A-Team of engineers specializing in the energy industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Performance Energy Services, LLCpesllc.com HQ: Houma, LA, United StatesReported employees: 501-1,000 | Houma, LA, United States | 501-1,000 | Exact match | 307 contacts → |
“Performance Energy Services, a Danos company, was formed in to deliver safe, client-focused support to the onshore and offshore energy markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | B&e Resources, LLCberltd.com HQ: Beaumont, TX, United StatesReported employees: 501-1,000 | Beaumont, TX, United States | 501-1,000 | Exact match | 301 contacts → |
“B&E Resources is an oil field service company specializing in industrial construction and custom fabrication.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Fateh Groupfatehgroup.com HQ: Cherryfield, ME, United StatesReported employees: 1,001-5,000 | Cherryfield, ME, United States | 1,001-5,000 | Exact match | 282 contacts → |
“FATEH GROUP is committed to provide its customers with high-quality services and products.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | M&hmhes.com HQ: Spring, TX, United StatesReported employees: 201-500 | Spring, TX, United States | 201-500 | Exact match | 275 contacts → |
“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | CTS Complete Technical Servicesctstechnical.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 260 contacts → |
“CTS - Complete Technical Services, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Chemtexchemtexus.com HQ: Wilmington, NC, United StatesReported employees: 201-500 | Wilmington, NC, United States | 201-500 | Exact match | 249 contacts → |
“Chemtex is a global engineering and technology company.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | BSI Engineeringbsiengr.com HQ: Mason, OH, United StatesReported employees: 201-500 | Mason, OH, United States | 201-500 | Exact match | 247 contacts → |
“BSI Engineering is a full-service engineering consulting firm dedicated to delivering innovative, efficient, and effective solutions across various industries.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Engineering & Inspection Services, LLCeisllc.net HQ: Metairie, LA, United StatesReported employees: 201-500 | Metairie, LA, United States | 201-500 | Exact match | 183 contacts → |
“Engineering & Inspection Services (EIS) is a multidisciplinary engineering firm offering Engineering & Design, Field Services, Inspection & Mechanical Integrity, and Technology…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Stevens Engineers & Constructorsstevensec.com HQ: Middleburg Heights, OH, United StatesReported employees: 201-500 | Middleburg Heights, OH, United States | 201-500 | Exact match | 182 contacts → |
“STEVENS is a proven leader in engineering and construction, strategically serving clients throughout the world with exceptional workforce commitment and management experience.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Oscar W. Larson Companyowlservices.com HQ: Clarkston, MI, United StatesReported employees: 1,001-5,000 | Clarkston, MI, United States | 1,001-5,000 | Exact match | 181 contacts → |
“For 80 years, Oscar W.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sigma Engineers And Constructorssigmaec.com HQ: Baton Rouge, United StatesReported employees: 51-200 | Baton Rouge, United States | 51-200 | Exact match | 179 contacts → |
“Sigma Engineers and Constructors (SEC) is a professional engineering firm that provides specifically tailored services to meet the needs of North America's oil, gas, and…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | GRSAgrsaeng.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 155 contacts → |
“GRSA is a full service professional engineering company providing process and detailed engineering services for a broad range of upstream, midstream, and downstream petrochemical…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Taurus Industrial Group, LLCtaurusig.com HQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 149 contacts → |
“Based in Houston, Taurus Industrial Group (Taurus) is a leading, integrated and industry diversified technical services company offering end-to-end services across multiple…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Downstream engineering companies: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
732 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 732 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Downstream engineering companies by metro
Questions about this company list
What does Exact match mean for downstream engineering companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many downstream engineering companies did RevenueBase find based in the United States?
The saved snapshot records 732 matching company records, 26,851 tracked contacts and 7,009 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Downstream engineering companies by geography
- Downstream engineering companies based in Perth, Australia
- Downstream engineering companies based in Rio De Janeiro, Brazil
- Downstream engineering companies based in Calgary, Canada
- Downstream engineering companies based in Chennai, India
- Downstream engineering companies based in Mumbai, India
- Downstream engineering companies based in Pune, India
- Downstream engineering companies based in Vadodara, India
- Downstream engineering companies based in Tehran, Iran
- Downstream engineering companies based in Milan, Italy
- Downstream engineering companies based in Kuala Lumpur, Malaysia
- Downstream engineering companies based in Lagos, Nigeria
- Downstream engineering companies based in Port Harcourt, Nigeria
Cite this list
RevenueBase Data Team. Top 25 downstream engineering companies based in the United States. Snapshot: October 11, 2026. https://revenuebase.ai/companies/downstream-engineering-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Downstream engineering companies based in Perth, Australia
- Downstream engineering companies based in Rio De Janeiro, Brazil
- Downstream engineering companies based in Calgary, Canada
- Downstream engineering companies based in Chennai, India
- Downstream engineering companies based in Mumbai, India
- Downstream engineering companies based in Pune, India